drawing version of the seal in 1940 that saw widespread use. Dwiggins' design was modified during 1957 to change the date from "1770" to "1769", to accord with the date of the college charter. The trustees commissioned a new set of dies with a date of "1769" to replace the old dies, now badly worn after almost two hundred years of use. The 1957 design continues to be used.
=== Shield ===
On October 28, 1926, the trustees approved a "Dartmouth College Shield" for general use. Artist and engraver W. Parke Johnson designed this emblem on the basis of the shield that is depicted at the center of the original seal. This design does not survive. On June 9, 1944, the trustees approved another coat of arms based on the shield part of the seal, this one by Canadian artist and designer Thoreau MacDonald. That design was used widely and, like Dwiggins' seal, had its date changed from "1770" to "1769" around 1958. That version continues to be used under trademark registration number 3112676 and others.
College designer …
